Source: 2012 Annual Report of the American Association of Poison Control Centers - National Poison Data System (NPDS)
Source: 2012 Annual Report of the American Association of Poison Control Centers - National Poison Data System (NPDS)

K Farsalinos et al. Evaluating nicotine levels selection and patterns of electronic cigarette use in a group of
"vapers" who had achieved complete substitution of smoking. Subst Abuse 2013: 7; 139-146.